Opel chief interior designer on the Insignia, and spacious, functional car interiors - Just Auto
Opel - Wikipedia
A look at the history of Opel and Vauxhall, the European brands GM is selling
Cars - Opel and Saturns - German Cousins Seeking Citizenship - The New York Times
OPEL Models, Photos, Specs & Engines (1968-Present) - autoevolution
Bittersweet: How Opel ensured its beloved CD concept became reality, albeit briefly - Hagerty Media
Recreating A Racing Rarity: This Is Opel's Badass “Black Widow” • Petrolicious
Opel For Sale - Carsforsale.com®
Project Opel GT Assessment: Dream Restoration or Scrap Metal?
Opel GT Concept Official Photos and Info – News – Car and Driver
2010 Opel Astra
An opel convertible hi-res stock photography and images - Alamy
OPEL Models, Photos, Specs & Engines (1968-Present) - autoevolution
Project Opel GT Assessment: Dream Restoration or Scrap Metal?
Opel celebrates 'historic' profit after decades of losses under GM | Automotive News Europe
Bittersweet: How Opel ensured its beloved CD concept became reality, albeit briefly - Hagerty Media
1974 Opel Manta GT/E: European Performance in a Buick Dealership - eBay Motors Blog
New Opel Android Auto Demonstration Multimedia System 2021 - YouTube
Opel - Wikipedia
Opel AG | Definition, History, & Facts | Britannica
